package com.wbt.jdk.map;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

public class ConcurrentHashMapTest {

    private static final ConcurrentMap<String,Integer> CHM = new ConcurrentHashMap<>();

    public static void main(String[] args) {
        CHM.put("one",10);
        CHM.put("two",20);
    }
}
